Kershaw, I., & Lewin, M. The regimes and their dictators: Perspectives of comparison : introduction / Ian Kershaw. Moshe Lewin. Stalinism and nazism : dictatorships in comparison.(1999).

Kershaw, Ian, and Moshe Lewin. "The Regimes and Their Dictators: Perspectives of Comparison : Introduction / Ian Kershaw. Moshe Lewin." Stalinism and Nazism : Dictatorships in Comparison.(1999) .

Kershaw, Ian, and Moshe Lewin. "The Regimes and Their Dictators: Perspectives of Comparison : Introduction / Ian Kershaw. Moshe Lewin." Stalinism and Nazism : Dictatorships in Comparison.(1999), .